From Khmer ល្ហុង (lhong). Cognate with Lao ຫຸ່ງ (hung), Tai Dam ꪶꪬ꪿ꪉ.
หุ่ง (transliteration needed)
From Lao ຫຸ່ງ (hung) or Isan หุ่ง, both from Khmer ល្ហុង (lhong).